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Jeroen W. Pluimers on .NET, C#, Delphi, databases, and personal interests

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Archive for the ‘Delphi 2006’ Category

There can be only MS Office sample automation server wrapper components in RAD Studio

Posted by jpluimers on 2019/02/27

There are six variations; only one can be active at a time:

  • Delphi Office 2000 Servers Package
  • Delphi Office XP Servers Package
  • Delphi Office 2010 Servers Package
  • C++Builder Office 2000 Servers Package
  • C++Builder Office XP Servers Package
  • C++Builder Office 2010 Servers Package

via: I cannot get MS Office sample automation server wrapper components. Neither of… [WayBack]

More in depth article explaining all the nitty gritty details: There Can Only Be One! Handling Different Versions of Design Packages inside the IDE | The Art of Delphi Programming [WayBack]

–jeroen

Posted in Delphi, Delphi 10 Seattle, Delphi 10.1 Berlin (BigBen), Delphi 2005, Delphi 2006, Delphi 2007, Delphi 2009, Delphi 2010, Delphi XE, Delphi XE2, Delphi XE3, Delphi XE4, Delphi XE5, Delphi XE6, Delphi XE7, Delphi XE8, Development, Software Development | Leave a Comment »

“Don’t access VCL from a background thread” – how to demo that?

Posted by jpluimers on 2018/07/11

When accessing the VCL from multiple threads at the same time: adopted from ...\DEMOS\THREADS\THRDDEMO.DPR

When accessing the VCL from multiple threads at the same time: adopted from …\DEMOS\THREADS\THRDDEMO.DPR

Great question a while ago:

[WayBack] “Don’t access VCL from a background thread” – how to demo that? – Primož Gabrijelčič – Google+

For me, the ultimate way why not to access the VCL from a background thread is the precursor of the official threads demo that ships from Delphi 2 to Delphi XE6 in ...DEMOS\THREADS\THRDDEMO.DPR. where you’d think the thread isolation would be in ...DEMOS\THREADS\ThSort.pas but actually is in ...DEMOS\THREADS\SortThds.pas.

The first public showing of that demo did not include main thread protection. It originates from a session at the the 1995 Borland Developers Conference where Ray Konopka showed the below code from Bob Ainsbury.

That session reminded why this joke [WayBack] Via the EKON20 sessions… – Jeroen Wiert Pluimers – Google+ was so funny:  “When Ray Konopka enters the room you have a Raize condition.“.

The question above also made me find back this reference to BorCon95 in San Diego:

Read the rest of this entry »

Posted in Delphi, Delphi 10 Seattle, Delphi 10.1 Berlin (BigBen), Delphi 10.2 Tokyo (Godzilla), Delphi 2, Delphi 2005, Delphi 2006, Delphi 2007, Delphi 2009, Delphi 2010, Delphi 3, Delphi 4, Delphi 5, Delphi 6, Delphi 7, Delphi 8, Delphi x64, Delphi XE, Delphi XE2, Delphi XE3, Delphi XE4, Delphi XE5, Delphi XE6, Delphi XE7, Delphi XE8, Development, Software Development | 2 Comments »

Do not use non-ASCII characters as identifiers – not all your tools support them well enough

Posted by jpluimers on 2018/04/05

For a very long time I’ve discouraged people from using non-ASCII characters in identifiers. It still holds.

In the past, transliterations messed things up. Even with increased support for Unicode, tools still screw non-ASCII characters up.

Delphi is not alone in this (the most important one is the DFM view as text support), see this report: [RSP-16767] Viewing a form as text fails with non ascii control or event names – Embarcadero Technologies (you need an account for this, but the report is visible for anyone):

Viewing a form as text fails with non ascii control or event names Comment

Steps:

  1. create a new VCL forms application
  2. drop a label onto the form
  3. change the name of that label to lblÜberfall (note the U-umlaut)
  4. switch to view as text
  • exp: DFM content shown as text
  • act: first line is shown incorrectly (see screenhsot)

–jeroen

Source: [RSP-16767] Viewing a form as text fails with non ascii control or event names – Embarcadero Technologies

via: [WayBack] Code of the day – – Thomas Mueller (dummzeuch) – Google+:

function TNameGenerator.StrasseToStrasse(const _Strasse: string): string;
begin
Result := _Strasse;
end;

Strasse := StrasseToStrasse(_Strasse);

Read the rest of this entry »

Posted in Delphi, Delphi 10 Seattle, Delphi 10.1 Berlin (BigBen), Delphi 2005, Delphi 2006, Delphi 2007, Delphi 2009, Delphi 2010, Delphi XE, Delphi XE2, Delphi XE3, Delphi XE4, Delphi XE5, Delphi XE6, Delphi XE7, Delphi XE8, Development, Software Development | Leave a Comment »

Wizard to change Delphi Icon so it used the Projects’ Icon

Posted by jpluimers on 2018/04/05

Thomas Mueller (dummzeuch) – Google+ wrote this: [WayBackJust an inspiration from attila kovacs (too many guys with this name on G+ to…:

A Delphi Wizard that adds a menu item so the Delphi Icon will change into the icon of the currently loaded project.

Can be useful if you have many Delphi instances open.

Source at [WayBackhttp://pisil.de/bds_icon.txt

via: [WayBackIs anybody able and have time to create an extension … change the icon with Application.Icon… – Attila Kovacs – Google+

–jeroen

Posted in Delphi, Delphi 10 Seattle, Delphi 10.1 Berlin (BigBen), Delphi 2005, Delphi 2006, Delphi 2007, Delphi 2009, Delphi 2010, Delphi 6, Delphi 7, Delphi XE, Delphi XE2, Delphi XE3, Delphi XE4, Delphi XE5, Delphi XE6, Delphi XE7, Delphi XE8, Development, Software Development | Leave a Comment »

Delphi: playing Chimes.wav as an external file or embedded WAVE resource in Delphi XE5.

Posted by jpluimers on 2018/01/10

As a by-effect, this article seems to one of the few that shows where Delphi uses the .dres file extension introduced around Delphi XE.

Recently I had to play some notification sounds in a Windows Delphi application where the application deployment should be as easy as possible: preferable copying the EXE around.

Playing a sound file seems easy, especially if it is a [WayBackWAV file: just use the [WayBack] PlaySound or the (older) [WayBack] sndPlaySound API functions.

But if you start searching on the internet, you see lots of curious implementations for playing WAV resources through sndPlaySound.

The actual implementation is really really easy though, just make sure you follow the steps right and nothing can go wrong.

[WayBack] The full source code is on my BeSharp.net repository, here is how to to it step by step:

The steps depend on the MMSystem unit, so most of the code translates back to [WayBack] Turbo Pascal for Windows (yes, the 16-bit Pascal days when the MMSystem unit was introduced) with the exception of the SND_SENTRY flag.

The thing that more recent Delphi versions made a lot easier is embedding WAV files as WAVE resources, more on that further on. Read the rest of this entry »

Posted in Borland Pascal, Delphi, Delphi 2, Delphi 2005, Delphi 2006, Delphi 2007, Delphi 2009, Delphi 2010, Delphi 3, Delphi 4, Delphi 5, Delphi 6, Delphi 7, Delphi XE, Delphi XE2, Delphi XE3, Delphi XE4, Delphi XE5, Development, Pascal, Software Development, Turbo Pascal | Leave a Comment »

 
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